.heard{
    width: 100%;
    min-width:1200px;
    height:80px;

}
.logo{
    margin-left:130px;
}
.navUl{
    width: 570px;
    height: 20px;
    display: flex;
    text-align: center;
    margin-top:30px;
    margin-left: 350px;
}
.navUl>li{
    flex:1;
    height:20px;
    font-size:14px;
    line-height:20px;
}
.navUl>li>a:hover{
    color:#ff8b3e;
}
/*--------------------主体-------------*/
main{
    width: 100%;
    height: 650px;
    background:#fafafc;
}
.One{
    width: 1200px;
    height: 650px;
    margin-left: auto;
    margin-right: auto;
}
.t1{
    margin-top: 75px;
}
/*-----------------brand------------*/
.brand{
    width: 1000px;
    height: 315px;
    margin-top: 80px;
    margin-left: 50px;
}
.brand>ul{
    height: 315px;
    display: flex;
    flex-wrap: wrap;    /*换行*/
}
.brand>ul>li{
    margin-left: 10px;
}
.brand li img{
    transition: all 0.2s;
}
.brand li:hover img{
    transform: scale(1.1,1.1);
}
/*----------------footer--------------*/
footer{
    width: 100%;
    height: 100px;
    text-align: center;
    margin-top: 50px;
}
footer>p{
    margin-top: 10px;
    font-size: 12px;

}